Use the form below to do your conversion.
Solution
Step1
Log139941=Log(9941) ÷ Log(13)
Log(9941)= 3.9974300737975
Log(13)=1.1139433523068
Log139941=3.9974300737975 ÷ 1.1139433523068
Ans=3.5885398171454
Step2
Alternatively, the logarithm can be calculated like this.